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Ethiopias Bentonite Trail: A Development Path? – National

Sample of Afar bentonite, soapy to touchPhotograph by Rodger Barnesan aluminum phyllo-silicate mineral used in drilling processes worldwide.Rodger Barnes was engaged by the Ethiopian Ministry of Mines through

Clay and ShaleUSGS Mineral Resources Program

pit methods; less than% of U.S. clay output was from underground mines. all . increase the use of locally sourced bentonite mined where energy, labor, and